package org.hong.samples.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.hong.samples.model.VO.UserJDBCVO;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

public class LoginInterceptor implements HandlerInterceptor{

	@Override
	public void afterCompletion(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, Exception arg3)
			throws Exception {
		//System.out.println("---------------------- LoginInterceptor.afterCompletion() ----------------------");
		
	}

	@Override
	public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, ModelAndView arg3)
			throws Exception {
		//System.out.println("---------------------- LoginInterceptor.postHandle() ----------------------");
		
	}

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object arg2) throws Exception {
		// TODO Auto-generated method stub
		HttpSession session = request.getSession();
		UserJDBCVO examUser = (UserJDBCVO) session.getAttribute("examUser");
		if(examUser != null){
			return true;
		}else{
			response.sendRedirect(request.getContextPath()+"/login");
		}
		//System.out.println("---------------------- LoginInterceptor.preHandle() ----------------------");
		return false;
	}

}
